Why spend squillions on the photoshoot with the lovely Claudia Schiffer and then do a clumsy photoshop? Hints: light sources, shadows, but mostly watching the movie of the making of the ad.
“Claudia through the looking glass (the PSD is the bottle missing its ‘drink me’ tag).”
“Claudia Schiffted into a parallel dimension”
“Hair on the palms of your hands are a sure sign of…” by Gaussian